.buffer-set{
  width: 76%;
  padding-left: 30px;
  .a-line-bottom{
    display: block;
    padding-bottom: 12px;
    border-bottom: 1px solid #ccc;
    margin-bottom: 12px;
  }
  .div-margin-bottom{
    margin-bottom: 4px;
  }
}
